[FLINK-22342] FlinkKafkaProducerITCase fails with producer leak

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Duplicate
• Affects Version/s: 1.14.0, 1.13.3
• Fix Version/s: 1.15.0
• Component/s: Connectors / Kafka
• Labels: stale-assigned test-stability
• Assignee: Fabian Paul
• Reporter: Dawid Wysakowicz
• Created: 19/Apr/21 07:01
• Updated: 21/Feb/22 17:21
• Resolved: 21/Feb/22 17:21

Description

https://dev.azure.com/apache-flink/apache-flink/_build/results?buildId=16732&view=logs&j=c5f0071e-1851-543e-9a45-9ac140befc32&t=684b1416-4c17-504e-d5ab-97ee44e08a20&l=6386

[ERROR] testScaleDownBeforeFirstCheckpoint(org.apache.flink.streaming.connectors.kafka.FlinkKafkaProducerITCase)  Time elapsed: 8.854 s  <<< FAILURE!
java.lang.AssertionError: Detected producer leak. Thread name: kafka-producer-network-thread | producer-MockTask-000000000000002a000000000000002c-11
	at org.junit.Assert.fail(Assert.java:88)
	at org.apache.flink.streaming.connectors.kafka.FlinkKafkaProducerITCase.checkProducerLeak(FlinkKafkaProducerITCase.java:728)
	at org.apache.flink.streaming.connectors.kafka.FlinkKafkaProducerITCase.testScaleDownBeforeFirstCheckpoint(FlinkKafkaProducerITCase.java:381)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:498)
	at org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:50)
	at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12)
	at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:47)
	at org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:17)
	at org.junit.internal.runners.statements.RunBefores.evaluate(RunBefores.java:26)
	at org.junit.rules.TestWatcher$1.evaluate(TestWatcher.java:55)
	at org.junit.rules.RunRules.evaluate(RunRules.java:20)
	at org.junit.runners.ParentRunner.runLeaf(ParentRunner.java:325)
	at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:78)
	at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:57)
	at org.junit.runners.ParentRunner$3.run(ParentRunner.java:290)
	at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:71)
	at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:288)
	at org.junit.runners.ParentRunner.access$000(ParentRunner.java:58)
	at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:268)
	at org.junit.internal.runners.statements.RunBefores.evaluate(RunBefores.java:26)
	at org.junit.internal.runners.statements.RunAfters.evaluate(RunAfters.java:27)
	at org.junit.rules.ExternalResource$1.evaluate(ExternalResource.java:48)
	at org.junit.rules.RunRules.evaluate(RunRules.java:20)
	at org.junit.runners.ParentRunner.run(ParentRunner.java:363)
	at org.apache.maven.surefire.junit4.JUnit4Provider.execute(JUnit4Provider.java:365)
	at org.apache.maven.surefire.junit4.JUnit4Provider.executeWithRerun(JUnit4Provider.java:273)
	at org.apache.maven.surefire.junit4.JUnit4Provider.executeTestSet(JUnit4Provider.java:238)
	at org.apache.maven.surefire.junit4.JUnit4Provider.invoke(JUnit4Provider.java:159)
	at org.apache.maven.surefire.booter.ForkedBooter.invokeProviderInSameClassLoader(ForkedBooter.java:384)
	at org.apache.maven.surefire.booter.ForkedBooter.runSuitesInProcess(ForkedBooter.java:345)
	at org.apache.maven.surefire.booter.ForkedBooter.execute(ForkedBooter.java:126)
	at org.apache.maven.surefire.booter.ForkedBooter.main(ForkedBooter.java:418)

Issue Links

• duplicates: FLINK-25456 FlinkKafkaProducerITCase.testScaleDownBeforeFirstCheckpoint
• relates to: FLINK-21214 FlinkKafkaProducerITCase.testScaleDownBeforeFirstCheckpoint Failed